//
//  Memento.h
//  LearnObjectiveC
//
//  Created by client on 2017/9/8.
//  Copyright © 2017年 吴可高. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Memento : NSObject
@property(nonatomic,copy) NSString * value;

-(instancetype)mementWithValue:(NSString*)value;

@end
